US3777808A - Cooling arrangement mounted on a motor vehicle - Google Patents

Cooling arrangement mounted on a motor vehicle Download PDF

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Publication number
US3777808A
US3777808A US00239138A US3777808DA US3777808A US 3777808 A US3777808 A US 3777808A US 00239138 A US00239138 A US 00239138A US 3777808D A US3777808D A US 3777808DA US 3777808 A US3777808 A US 3777808A
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Prior art keywords
radiator
engine
shroud
motor vehicle
outlet
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Expired - Lifetime
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US00239138A
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M Izumi
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Nissan Motor Co Ltd
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Nissan Motor Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/08—Air inlets for cooling; Shutters or blinds therefor
    • B60K11/085—Air inlets for cooling; Shutters or blinds therefor with adjustable shutters or blinds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P7/00—Controlling of coolant flow
    • F01P7/02—Controlling of coolant flow the coolant being cooling-air
    • F01P7/10—Controlling of coolant flow the coolant being cooling-air by throttling amount of air flowing through liquid-to-air heat exchangers
    • F01P7/12—Controlling of coolant flow the coolant being cooling-air by throttling amount of air flowing through liquid-to-air heat exchangers by thermostatic control
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses

Definitions

  • ABSTRACT A cooling arrangement for a motor vehicle which comprises a radiator connected to an engine of the motor vehicle, a shroud with a fan arrangement provided behind the radiator for drawing cooling air through the radiator.
  • the shroud has provided at its back wall an aperture with a plurality of doors which shut or open the aperture to control the air flow in dependence on the engine temperature, atmospheric temperature, vehicle speed etc.
  • This invention relates to a cooling arrangement for a motor vehicle and more particularly to a cooling arrangement which has a fan shroud effective for drawing through a radiator a sufficient amount of air flow.
  • Conventional engine cooling arrangement for a motor vehicle includes a radiator connected to the engine for cooling a liquid coolant passed through the engine, radiator having a plurality of air passages for passing therethrough ambient air, and a fan shroud combined with the radiator for drawing through the radiator a sufficient amount of cooling air even when the motor vehicle runs slowly.
  • the fan shroud has an inlet communicating with the air passages of the radiator, and an outlet open to ambient atmosphere having provided therein a fan arrangement which draws the cooling air through the air passages of the radiator and the fan shroud.
  • FIG. 1 is a view showing a conventional cooling arrangement for a motor vehicle
  • FIG. 2 is a schematic view showing a cooling arrangement according to this invention.
  • FIG. 1 there is illustrated a conventional cooling arrangement which comprises a radiator 11 provided in front of the engine thereby to pass air through a plurality of air passages of the radiator 11 as the vehicle runs in the forward direction.
  • the radiator 11 communicates through a conduit 12 with the engine so as to receive the liquid coolant passed through the engine.
  • Behind the radiator 11 is provided a shroud 13 having an inlet communicating with the air passages of the radiator l1 and an outlet 14 opened to the atmosphere.
  • the cooling air passed through the radiator 1 1 is drawn by a fan 15 positioned adjacent to or in the outlet 14 with a rotary shaft 16 which may be driven through a suitable means by the engine crank shaft or an electric motor (not shown).
  • the cooling air admitted to the radiator 11 as indicated by arrows A passes through the radiator 11 and the shroud 13, as indicated by broken be noted that since the cooling arrangement should be placed in a limited space in the front portion of the vehicle and the area of the outlet 14 should be limited in order for the effective operation of the fan 15, the shroud 13has a back wall 13a angled from the longitudinal central axis of the vehicle. The wall 130 undesiredly obstructs the air flow through the radiator 11 and the shroud 13 when the vehicle runs at a relatively high speed. The conventional cooling arrangement 10 is therefore not fully acceptable.
  • an improved cooling arrangement is provided which can avoid such problem as above-mentioned.
  • FIG. 2 a cooling arrangement according to this invention is shown, generally designated by 20, which comprises the same parts and construction as the cooling arrangement 10 of FIG. 1, except that the shroud 13 has provided at its end wall 13a with an aperture 21. At least one, preferably a plurality of, doors 22 are hinged to the wall 13a so as to shut or open the aperture 21 in accordance with various conditions of the vehicle. Of course, the doors 22 may be replaced by other closure means, if desired.
  • the doors 22 are adapted to swing to shut or open the aperture 21 through a suitable linkage in accordance with various conditions such as the atmospheric temperature, vehicle speed, liquid coolant temperature etc.
  • various conditions such as the atmospheric temperature, vehicle speed, liquid coolant temperature etc.
  • the doors 22 are actuated to open the aperture 21 so that the cooling air smoothly passes through the radiator 11 and the shroud 13.
  • the doors are actuated to shut the aperture 21 so as to prevent the engine from over-cooling, even when the vehicle runs lines B, by the aid of the fan 15.
  • the shroud 13 with the 6 fan 15 is therefore effective for maintaining a sufficient amount of air flow through the radiator 11 even when the vehicle runs at a low speed. In this instance, it is to at a high speed.
  • the doors 22 are actuated to shut the aperture 21 so that the cooling air flow through the shroud 13 in the same manner as in the conventional one of FIG. 1.
  • the doors 22 may be actuated by a suitable electric or mechanical system (not shown) and, if desired, the doors 22 may be actuated by a spring (not shown) for making doors 22 to close the aperture 21 when the wind pressure exerted on the doors 22 is lower than a certain value.
  • the doors 22 may be manually actuated through a suitable linkage not shown.
  • the cooling arrangement according to this invention is capable of regulating the amount of air flow passing therethrough in accordance with various conditions and effective for reducing the windage loss of the cooling arrangement when the vehicle runs at a high speed.
  • a cooling arrangement for a motor vehicle having an engine comprising:
  • radiator operatively connected to said engine for cooling a liquid coolant passed through said engine, said radiator having a plurality of air passages for allowing ambient air to pass therethrough;

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

A cooling arrangement for a motor vehicle which comprises a radiator connected to an engine of the motor vehicle, a shroud with a fan arrangement provided behind the radiator for drawing cooling air through the radiator. The shroud has provided at its back wall an aperture with a plurality of doors which shut or open the aperture to control the air flow in dependence on the engine temperature, atmospheric temperature, vehicle speed etc.

Description

United States Patent Izumi Dec. 11, 1973 COOLING ARRANGEMENT MOUNTED ON A MOTOR VEHICLE Inventor: Masao Izumi, Tokyo, Japan Assignee: Nissan Motor Company, Limited,
Kanagawa-ku, Yokohama City, Japan Filed: Mar. 29, 1972 Appl. No.: 239,138
Foreign Application Priority Data Oct. 23, 1971 Japan ....46/98347 US. Cl 165/39, 165/51, 236/352 Int. Cl B60h 1/10 Field of Search 234/35, 35.2; 165/1l,35,39,51,42
References Cited UNITED STATES PATENTS 8/1931 Reavis 236/351 3,552,483 1/1971 North 125/11 Primary Examiner-Charles Sukalo I Attorney-John Lezdey et al.
[57] ABSTRACT A cooling arrangement for a motor vehicle which comprises a radiator connected to an engine of the motor vehicle, a shroud with a fan arrangement provided behind the radiator for drawing cooling air through the radiator. The shroud has provided at its back wall an aperture with a plurality of doors which shut or open the aperture to control the air flow in dependence on the engine temperature, atmospheric temperature, vehicle speed etc.
1 Claim, 2 Drawing Figures PM'ENIED 0E8 I I 1973 F/g. PRIOR ART COOLING ARRANGEMENT MOUNTED ON A MOTOR VEHICLE This invention relates to a cooling arrangement for a motor vehicle and more particularly to a cooling arrangement which has a fan shroud effective for drawing through a radiator a sufficient amount of air flow.
Conventional engine cooling arrangement for a motor vehicle includes a radiator connected to the engine for cooling a liquid coolant passed through the engine, radiator having a plurality of air passages for passing therethrough ambient air, and a fan shroud combined with the radiator for drawing through the radiator a sufficient amount of cooling air even when the motor vehicle runs slowly. The fan shroud has an inlet communicating with the air passages of the radiator, and an outlet open to ambient atmosphere having provided therein a fan arrangement which draws the cooling air through the air passages of the radiator and the fan shroud.
A problem still has been encountered in that when the motor vehicle runs at a high speed the fan shroud undesiredly obstructs the flow of the cooling air because of the small blast area of the outlet thereof and the limited capability of drawing the air of the fan arrangement positioned in the inlet.
It is therefore an object of this invention to provide an improved cooling arrangement for a motor vehicle engine.
It is another object of the invention to provide an engine cooling arrangement capable of passing therethrough a sufficient amount of cooling air at any speed of the vehicle.
It is another object of the invention to provide an engine cooling arrangementeffective for reducing windage loss thereof when the vehicle runs at a high speed.
Further and another objects of the invention will be apparent from the following description taken in connection with the accompanying drawings wherein:
FIG. 1 is a view showing a conventional cooling arrangement for a motor vehicle; and
FIG. 2 is a schematic view showing a cooling arrangement according to this invention.
Corresponding characters of reference designates like elements in the views.
Referring now to the drawings and particularly to FIG. 1 thereof, there is illustrated a conventional cooling arrangement which comprises a radiator 11 provided in front of the engine thereby to pass air through a plurality of air passages of the radiator 11 as the vehicle runs in the forward direction. The radiator 11 communicates through a conduit 12 with the engine so as to receive the liquid coolant passed through the engine. Behind the radiator 11 is provided a shroud 13 having an inlet communicating with the air passages of the radiator l1 and an outlet 14 opened to the atmosphere. The cooling air passed through the radiator 1 1 is drawn by a fan 15 positioned adjacent to or in the outlet 14 with a rotary shaft 16 which may be driven through a suitable means by the engine crank shaft or an electric motor (not shown). The cooling air admitted to the radiator 11 as indicated by arrows A passes through the radiator 11 and the shroud 13, as indicated by broken be noted that since the cooling arrangement should be placed in a limited space in the front portion of the vehicle and the area of the outlet 14 should be limited in order for the effective operation of the fan 15, the shroud 13has a back wall 13a angled from the longitudinal central axis of the vehicle. The wall 130 undesiredly obstructs the air flow through the radiator 11 and the shroud 13 when the vehicle runs at a relatively high speed. The conventional cooling arrangement 10 is therefore not fully acceptable.
According to this invention, an improved cooling arrangement is provided which can avoid such problem as above-mentioned.
In FIG. 2, a cooling arrangement according to this invention is shown, generally designated by 20, which comprises the same parts and construction as the cooling arrangement 10 of FIG. 1, except that the shroud 13 has provided at its end wall 13a with an aperture 21. At least one, preferably a plurality of, doors 22 are hinged to the wall 13a so as to shut or open the aperture 21 in accordance with various conditions of the vehicle. Of course, the doors 22 may be replaced by other closure means, if desired.
The doors 22 are adapted to swing to shut or open the aperture 21 through a suitable linkage in accordance with various conditions such as the atmospheric temperature, vehicle speed, liquid coolant temperature etc. When, for example, the vehicle runs at a high speed and accordingly the end wall 13a causes to increase the windage loss of the vehicle or reduces the amount of the air flow through the radiator, the doors 22 are actuated to open the aperture 21 so that the cooling air smoothly passes through the radiator 11 and the shroud 13. When, however, the engine temperature or atmospheric temperature is relatively low, the doors are actuated to shut the aperture 21 so as to prevent the engine from over-cooling, even when the vehicle runs lines B, by the aid of the fan 15. The shroud 13 with the 6 fan 15 is therefore effective for maintaining a sufficient amount of air flow through the radiator 11 even when the vehicle runs at a low speed. In this instance, it is to at a high speed. When, on the contrary, the vehicle runs at a relatively low speed, the doors 22 are actuated to shut the aperture 21 so that the cooling air flow through the shroud 13 in the same manner as in the conventional one of FIG. 1. The doors 22 may be actuated by a suitable electric or mechanical system (not shown) and, if desired, the doors 22 may be actuated by a spring (not shown) for making doors 22 to close the aperture 21 when the wind pressure exerted on the doors 22 is lower than a certain value. Furthermore, the doors 22 may be manually actuated through a suitable linkage not shown.
It is now apparent from the foregoing description that the cooling arrangement according to this invention is capable of regulating the amount of air flow passing therethrough in accordance with various conditions and effective for reducing the windage loss of the cooling arrangement when the vehicle runs at a high speed.
It will be understood that the invention is not to be limited to the exact construction shown and described and that various changes and modifications may be made without departing from the spirit and scope of the invention, as defined in the appended claims.
I claim:
1. A cooling arrangement for a motor vehicle having an engine comprising:
a radiator operatively connected to said engine for cooling a liquid coolant passed through said engine, said radiator having a plurality of air passages for allowing ambient air to pass therethrough;
said outlet; and i a plurality of doors mounted through hinges bearings on said wall in said aperature for selectively opening and shutting said aperature in accordance with engine temperature, atmospheric temperature and vehicle speed.
l l k =0

Claims (1)

1. A cooling arrangement for a motor vehicle having an engine comprising: a radiator operatively connected to said engine for cooling a liquid coolant passed through said engine, said radiator having a plurality of air passages for allowing ambient air to pass therethrough; a shroud having an inlet communicating with said air passages of the radiator, an outlet open to ambient atmosphere and an aperture formed in the wall thereof adjacent to said outlet; a fan arrangement provided in said outlet of said radiator for drawing said ambient air through said radiator and said shroud into said outlet; means defining an aperture in saId shroud adjacent said outlet; and a plurality of doors mounted through hinges bearings on said wall in said aperature for selectively opening and shutting said aperature in accordance with engine temperature, atmospheric temperature and vehicle speed.
US00239138A 1971-10-23 1972-03-29 Cooling arrangement mounted on a motor vehicle Expired - Lifetime US3777808A (en)

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JP1971098347U JPS4851917U (en) 1971-10-23 1971-10-23

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DE (1) DE2216585A1 (en)
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GB (1) GB1334816A (en)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3854459A (en) * 1973-12-28 1974-12-17 Mack Trucks Fan shroud for an engine cooling system
US4120271A (en) * 1975-09-09 1978-10-17 Motoren- Und Turbinen-Union Friedrichshafen Gmbh Ventilating arrangement for an engine compartment
US4438732A (en) * 1981-05-30 1984-03-27 Daimler-Benz Aktiengesellschaft Cooling arrangement for an internal combustion engine
US4534506A (en) * 1981-08-13 1985-08-13 Aisin Seiki Kabushiki Kaisha Thermopneumatic mechanism for opening and closing a radiator grille
US5901786A (en) * 1998-09-21 1999-05-11 Ford Motor Company Axial fan sandwich cooling module incorporating airflow by-pass features
US20060060401A1 (en) * 2004-09-21 2006-03-23 Bole Matthew M Adjustable airflow regulator
US20060113136A1 (en) * 2004-11-30 2006-06-01 Coot2 Inc. Off road vehicle apparatus and method
WO2007031344A1 (en) * 2005-09-17 2007-03-22 Behr Gmbh & Co. Kg Arrangement for cooling an internal combustion engine of a motor vehicle, in particular cooling module
US20070169725A1 (en) * 2006-01-12 2007-07-26 Behr Gmbh & Co. Kg Device for regulating an air flow for engine cooling
US20080017138A1 (en) * 2004-05-26 2008-01-24 Behr Gmbh & Co. Kg Cooling System
US20080023173A1 (en) * 2006-07-31 2008-01-31 Valeo, Inc. Fan shroud for automotive applications
EP1728667A3 (en) * 2005-05-30 2008-04-16 Behr GmbH & Co. KG device for regulating an air stream for engine cooling
US20140086722A1 (en) * 2012-09-21 2014-03-27 Robert Bosch Gmbh Ram air flap system
US20150147949A1 (en) * 2013-11-27 2015-05-28 Ford Global Technologies, Llc Method for adjusting vehicle grille shutters based on vehicle speed and direction of grille shutter adjustment
US20160214460A1 (en) * 2015-01-22 2016-07-28 Ford Global Technologies. Llc Active seal arrangement for use with vehicle condensers
US20170030250A1 (en) * 2015-07-29 2017-02-02 Hanon Systems Compact cooling module
US10012130B2 (en) * 2015-07-23 2018-07-03 Honda Motor Co., Ltd. Cooling system
US10525819B2 (en) * 2016-08-12 2020-01-07 Magna Exteriors Inc. Active grille, scalable design
US10662859B1 (en) * 2016-05-02 2020-05-26 Northwest Uld, Inc. Dual flap active inlet cooling shroud

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3414609C1 (en) * 1984-04-18 1985-06-20 Daimler-Benz Ag, 7000 Stuttgart Device for influencing a cooling air flow
FR2607759B1 (en) * 1986-12-08 1990-10-19 Peugeot FAN NOZZLE OF A MOTOR VEHICLE
DE3942010C2 (en) * 1989-12-20 2001-05-10 Audi Ag Device for controlling at least one cooling air flap
FR2881087B1 (en) * 2005-01-21 2007-04-20 Faurecia Bloc Avant NOZZLE FOR PIPING AN AIR FLOW TO A HEAT EXCHANGER OF A MOTOR VEHICLE, AND VEHICLE THEREFOR
JP4702014B2 (en) * 2005-11-30 2011-06-15 マツダ株式会社 Vehicle cooling device
FR3100584A1 (en) * 2019-09-10 2021-03-12 Valeo Systemes Thermiques VENTILATION DEVICE FOR MOTOR VEHICLE COOLING MODULE
CN113955466B (en) * 2021-11-16 2023-02-21 中国人民解放军海军第九七一医院 Medicine pushing device with protection structure
FR3131950B1 (en) * 2022-01-17 2023-12-22 Valeo Systemes Thermiques Motor-fan unit nozzle

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1820091A (en) * 1929-07-27 1931-08-25 Westinghouse Electric & Mfg Co Engine cooling
US3552483A (en) * 1968-01-25 1971-01-05 Gen Motors Corp Motor vehicle cooler systems

Family Cites Families (2)

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Publication number Priority date Publication date Assignee Title
FR484345A (en) * 1917-01-27 1917-09-25 Societe Lorraine Des Anciens Etablissements De Die Improvements to explosion engine radiators
FR651144A (en) * 1928-03-22 1929-02-14 Cooling improvements for vehicle engines

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1820091A (en) * 1929-07-27 1931-08-25 Westinghouse Electric & Mfg Co Engine cooling
US3552483A (en) * 1968-01-25 1971-01-05 Gen Motors Corp Motor vehicle cooler systems

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3854459A (en) * 1973-12-28 1974-12-17 Mack Trucks Fan shroud for an engine cooling system
US4120271A (en) * 1975-09-09 1978-10-17 Motoren- Und Turbinen-Union Friedrichshafen Gmbh Ventilating arrangement for an engine compartment
US4438732A (en) * 1981-05-30 1984-03-27 Daimler-Benz Aktiengesellschaft Cooling arrangement for an internal combustion engine
US4534506A (en) * 1981-08-13 1985-08-13 Aisin Seiki Kabushiki Kaisha Thermopneumatic mechanism for opening and closing a radiator grille
US5901786A (en) * 1998-09-21 1999-05-11 Ford Motor Company Axial fan sandwich cooling module incorporating airflow by-pass features
US20080017138A1 (en) * 2004-05-26 2008-01-24 Behr Gmbh & Co. Kg Cooling System
US20060060401A1 (en) * 2004-09-21 2006-03-23 Bole Matthew M Adjustable airflow regulator
US20060113136A1 (en) * 2004-11-30 2006-06-01 Coot2 Inc. Off road vehicle apparatus and method
EP1728668A3 (en) * 2005-05-30 2008-04-16 Behr GmbH & Co. KG Device for regulating an air stream for engine cooling
EP1728667A3 (en) * 2005-05-30 2008-04-16 Behr GmbH & Co. KG device for regulating an air stream for engine cooling
WO2007031344A1 (en) * 2005-09-17 2007-03-22 Behr Gmbh & Co. Kg Arrangement for cooling an internal combustion engine of a motor vehicle, in particular cooling module
US20080257286A1 (en) * 2005-09-17 2008-10-23 Martin Harich Arrangement for Cooling an Internal Combustion Engine of a Motor Vehicle, in Particular Cooling Module
US7757643B2 (en) * 2006-01-12 2010-07-20 Behr Gmbh & Co. Kg Device for regulating an air flow for engine cooling
US20070169725A1 (en) * 2006-01-12 2007-07-26 Behr Gmbh & Co. Kg Device for regulating an air flow for engine cooling
US20080023173A1 (en) * 2006-07-31 2008-01-31 Valeo, Inc. Fan shroud for automotive applications
US20140086722A1 (en) * 2012-09-21 2014-03-27 Robert Bosch Gmbh Ram air flap system
RU2678384C2 (en) * 2013-11-27 2019-01-28 ФОРД ГЛОУБАЛ ТЕКНОЛОДЖИЗ, ЭлЭлСи Method (versions) and system for adjusting the grille shutters of the vehicle
US20150147949A1 (en) * 2013-11-27 2015-05-28 Ford Global Technologies, Llc Method for adjusting vehicle grille shutters based on vehicle speed and direction of grille shutter adjustment
US10364735B2 (en) * 2013-11-27 2019-07-30 Ford Global Technologies, Llc Method for adjusting vehicle grille shutters based on vehicle speed and direction of grille shutter adjustment
US20160214460A1 (en) * 2015-01-22 2016-07-28 Ford Global Technologies. Llc Active seal arrangement for use with vehicle condensers
US10252611B2 (en) * 2015-01-22 2019-04-09 Ford Global Technologies, Llc Active seal arrangement for use with vehicle condensers
US11192446B2 (en) * 2015-01-22 2021-12-07 Ford Global Technologies, Llc Active seal arrangement for use with vehicle condensers
US10012130B2 (en) * 2015-07-23 2018-07-03 Honda Motor Co., Ltd. Cooling system
US20170030250A1 (en) * 2015-07-29 2017-02-02 Hanon Systems Compact cooling module
US10662859B1 (en) * 2016-05-02 2020-05-26 Northwest Uld, Inc. Dual flap active inlet cooling shroud
US10525819B2 (en) * 2016-08-12 2020-01-07 Magna Exteriors Inc. Active grille, scalable design

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Publication number Publication date
GB1334816A (en) 1973-10-24
JPS4851917U (en) 1973-07-06
FR2157299A5 (en) 1973-06-01
DE2216585A1 (en) 1973-05-03

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